Senior Software Engineer - Fullstack

About Us UJET leads the way in AI-powered contact center innovation, delivering a future-proof, cloud platform that redefines the customer experience with cutting-edge AI, true multimodality, and a mobile-first approach. We infuse AI across every aspect of your customer journey and contact center operations, to drive automation and efficiency. UJET's AI solutions empower agents, optimize customer journeys, and transform contact center operations for elevated experiences and actionable insights. Built on a cloud-native architecture with a unique CRM-first approach, UJET ensures unmatched security, scalability, and prioritized data insights (without storing PII). Designed for effortless use, UJET partners with businesses to deliver exceptional interactions, smarter decision-making, and accelerated growth in the AI-driven world. Learn more at www.ujet.cx . Opportunity UJET is searching for a Senior Software Engineer (Fullstack) to join our growing team! The ideal candidate is an experienced fullstack engineer who owns epics and features of significant complexity end-to-end across the frontend and backend, and who is meticulous with code style and quality. As a Senior engineer, you will define and execute against timelines, resources, and other constraints, break epics down into tickets, and mentor our L1 and L2 engineers. You are a strong practitioner of AI-driven development — using AI coding tools and agents to accelerate your own delivery while upholding our quality bar. Responsibilities • Own epics and deliver features, services, and refactors of significant complexity across product software engineering — from ticket breakdown through deployment and post-release validation • Define and execute against timelines, resources, and other constraints, flagging risks and trade-offs early • Break down epics into well-scoped tickets and sequence the work with your team • Become the SME for one or more areas of your team's domain and a dependable go-to person within the team • Design and build fullstack features and services with high availability, low latency, and auto scalability • Author and review technical design documents (TDDs); design service boundaries, data models, and APIs balancing simplicity, performance, and extensibility • Partner with PM, Design, QA, PMO, and SRE through the full software development lifecycle, participating in planning, estimation, and prioritization • Write idiomatic, well-tested code and provide thoughtful code reviews that uphold engineering standards across the codebase • Build and maintain unit, integration, and contract tests; instrument logging, metrics, and tracing so systems are observable in production • Participate in the on-call rotation; triage, mitigate, and document production incidents and drive follow-up actions from postmortems • Identify and pay down technical debt, modernizing legacy code to protect long-term maintainability • Use AI coding assistants and agentic workflows to accelerate delivery, applying our team guardrails and quality standards to anything they produce • Mentor L1 and L2 engineers, contribute to onboarding docs, and share knowledge through brown-bags, internal talks, and architecture reviews • Communicate openly and transparently, and raise the quality of bug tracking and reporting within your team Requirements • 5+ years' experience in software development, with solid fullstack (frontend and backend) development experience and a track record of owning epics or features of significant complexity • You have strong foundational knowledge of modern, distributed computing. • You understand the performance characteristics of the services you own and can reason about them quantitatively. • Working experience around a breadth of datastores including